Inventor · disambiguated record
Horst Steffen
Also filed as: STEFFEN HORST · STEFFEN HORST-G · STEFFEN HORST-GUENTER
10 granted patents·115 citations·filing 1975–1997
89Inventor score
Top patents by PatentIndex Score
10 records- 0170US6071400AMethod and device for the electrochemical treatment with treatment liquid of an item to be treatedATOTECH DEUTSCHLAND GMBH·Filed 1997·Granted Jun 6, 2000·24 cites·18 claims
- 0261US4430154AMethod of producing printed circuit boardsKOLLMORGEN TECH CORP·Filed 1982·Granted Feb 7, 1984·19 cites·11 claims
- 0359US4374868AMethod for producing printed circuit boards with punched holes having metallized wallsKOLLMORGEN TECH CORP·Filed 1981·Granted Feb 22, 1983·19 cites·4 claims
- 0453US4528971AIgnition coil cable connection arrangement for an internal combustion engineBOSCH GMBH ROBERT·Filed 1982·Granted Jul 16, 1985·11 cites·12 claims
- 0552US4020197AProcess for the catalytic sensitization of non-metallic surfaces for subsequent electroless metallizationKOLLMORGEN TECH CORP·Filed 1975·Granted Apr 26, 1977·11 cites·19 claims
- 0651US4390804AMagneto generator for ignition systemsBOSCH GMBH ROBERT·Filed 1981·Granted Jun 28, 1983·12 cites·8 claims
- 0743US4208255AProcess and device for the production of metal-complex compounds suitable for electroless metal depositionKOLLMORGEN TECH CORP·Filed 1978·Granted Jun 17, 1980·8 cites·17 claims
- 0836US5063366AElectromagnetic relayBOSCH GMBH ROBERT·Filed 1990·Granted Nov 5, 1991·7 cites·1 claims
- 0932US4740773AIgnition device with a high-voltage terminalBOSCH GMBH ROBERT·Filed 1985·Granted Apr 26, 1988·3 cites·7 claims
- 1028US4561410AMagneto ignition unit with control circuit potted together with the armature windings, for internal combustion enginesBOSCH GMBH ROBERT·Filed 1985·Granted Dec 31, 1985·1 cites·10 claims
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